The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
allk12 · Rankings · Lowest proficiency · California · Contra Costa County

The lowest-performing public schools by test proficiency in Contra Costa County, California · page 3

Ranks 101–150 of the lowest-performing public schools by test proficiency in Contra Costa County, California. Back to page 1.

LOWEST PROFICIENCY · CONTRA COSTA COUNTY, CALIFORNIA
#SchoolCityDistrictLevel% FRLStudents% Proficient
101Pinole Valley HighPinole, CAWest Contra Costa UnifiedHigh61.8%1,24538.6%
102Woodside ElementaryConcord, CAMt. Diablo UnifiedElementary60.6%28939.4%
103Mountain View ElementaryConcord, CAMt. Diablo UnifiedElementary56.2%26739.5%
104Ellerhorst ElementaryPinole, CAWest Contra Costa UnifiedElementary58.6%31940.1%
105John Swett HighCrockett, CAJohn Swett UnifiedHigh74.1%35140.9%
106Hercules MiddleHercules, CAWest Contra Costa UnifiedMiddle44.3%59640.9%
107Shannon ElementaryPinole, CAWest Contra Costa UnifiedElementary73.5%35541.2%
108El Cerrito HighEl Cerrito, CAWest Contra Costa UnifiedHigh39.0%1,46041.5%
109Alhambra Senior HighMartinez, CAMartinez UnifiedHigh30.7%1,02841.6%
110Silverwood ElementaryConcord, CAMt. Diablo UnifiedElementary53.2%53041.6%
111Vintage Parkway ElementaryOakley, CAOakley Union ElementaryElementary44.3%48142.4%
112Valley View MiddlePleasant Hill, CAMt. Diablo UnifiedMiddle49.7%81943.0%
113Fred T. Korematsu MiddleEl Cerrito, CAWest Contra Costa UnifiedMiddle38.6%70843.7%
114Gregory Gardens ElementaryPleasant Hill, CAMt. Diablo UnifiedElementary47.4%40944.3%
115Olinda ElementaryEl Sobrante, CAWest Contra Costa UnifiedElementary39.6%31845.3%
116Timber Point ElementaryDiscovery Bay, CAByron Union ElementaryElementary26.0%36245.3%
117Ayers ElementaryConcord, CAMt. Diablo UnifiedElementary40.4%39445.5%
118Liberty HighBrentwood, CALiberty Union HighHigh35.7%2,83645.6%
119Pleasant Hill MiddlePleasant Hill, CAMt. Diablo UnifiedMiddle44.4%73845.8%
120Brentwood ElementaryBrentwood, CABrentwood UnionElementary45.6%81147.9%
121Hercules HighHercules, CAWest Contra Costa UnifiedHigh41.7%76748.4%
122John Muir ElementaryMartinez, CAMartinez UnifiedElementary38.3%42348.8%
123Martinez Junior HighMartinez, CAMartinez UnifiedMiddle32.7%84349.2%
124Marsh Creek ElementaryBrentwood, CABrentwood UnionElementary52.4%55049.2%
125Highlands ElementaryConcord, CAMt. Diablo UnifiedElementary32.4%51249.3%
126Garin ElementaryBrentwood, CABrentwood UnionElementary41.5%78550.1%
127Fairmont ElementaryEl Cerrito, CAWest Contra Costa UnifiedElementary53.1%53750.1%
128Hidden Valley ElementaryMartinez, CAMt. Diablo UnifiedElementary44.4%83150.2%
129Harding ElementaryEl Cerrito, CAWest Contra Costa UnifiedElementary34.3%48151.3%
130Almond Grove ElementaryOakley, CAOakley Union ElementaryElementary36.3%42751.9%
131Hanna Ranch ElementaryHercules, CAWest Contra Costa UnifiedElementary39.7%42152.3%
132College Park HighPleasant Hill, CAMt. Diablo UnifiedHigh40.5%1,94852.5%
133John Swett ElementaryMartinez, CAMartinez UnifiedElementary22.5%53353.9%
134Sequoia MiddlePleasant Hill, CAMt. Diablo UnifiedMiddle50.1%88254.0%
135Monte Gardens ElementaryConcord, CAMt. Diablo UnifiedElementary44.3%56254.0%
136Old River ElementaryBrentwood, CAKnightsen ElementaryElementary15.4%33254.5%
137Heritage HighBrentwood, CALiberty Union HighHigh19.4%2,56655.1%
138Pleasant Hill ElementaryPleasant Hill, CAMt. Diablo UnifiedElementary26.8%65257.0%
139West County MandarinPinole, CAWest Contra Costa UnifiedElementary33.9%52857.9%
140Discovery Bay ElementaryDiscovery Bay, CAByron Union ElementaryElementary41.2%41758.5%
141Ohlone ElementaryHercules, CAWest Contra Costa UnifiedElementary34.9%48258.6%
142Valhalla ElementaryPleasant Hill, CAMt. Diablo UnifiedElementary20.2%72159.4%
143Diablo View MiddleClayton, CAMt. Diablo UnifiedMiddle23.5%51459.6%
144Eagle Peak MontessoriWalnut Creek, CAMt. Diablo UnifiedElementary7.6%30160.1%
145Strandwood ElementaryPleasant Hill, CAMt. Diablo UnifiedElementary23.3%59660.4%
146California HighSan Ramon, CASan Ramon Valley UnifiedHigh8.7%2,89461.8%
147San Ramon Valley HighDanville, CASan Ramon Valley UnifiedHigh5.7%2,03662.3%
148Montair ElementaryDanville, CASan Ramon Valley UnifiedElementary6.6%48463.2%
149Las Lomas HighWalnut Creek, CAAcalanes Union HighHigh15.4%1,57763.4%
150Stone Valley MiddleAlamo, CASan Ramon Valley UnifiedMiddle8.4%58663.4%
Page 3 of 5 · top 215 of 215 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Contra Costa County →

Lowest proficiency rankings at a wider scope

All CaliforniaNationwide

Other rankings for Contra Costa County, California

LargestMost diverseLowest ratioHighest proficiencyFastest growingHighest povertyLowest povertyHighest ratioFastest decliningMost HispanicMost BlackMost WhiteMost Asian

All ranking categories →

DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.